Casual vs part-time employment in Australia — which one should you choose

When you are ready to hire someone and the role does not need a full 38-hour week, you face a choice that most employment guides treat as straightforward but rarely explain well: casual or part-time? The answer affects your payroll costs, your scheduling flexibility, your administrative obligations, and — if you get it wrong — your exposure to underpayment claims or misclassification penalties under the Fair Work Act 2009 (Cth).

The question is not simply "which costs less?" and it is not purely about hours. The two classifications carry fundamentally different legal structures. A business hiring someone to work two days a week on a stable roster is in a different legal relationship from one that calls someone in as shifts appear. Both involve reduced hours, but treating them interchangeably is a common and costly mistake.

The core legal distinction

A part-time employee works fewer than 38 hours per week under a regular, predictable pattern. Their hours, days, and pay are agreed in advance and documented — either in an employment contract or through the applicable modern award. Part-time employees are permanent or fixed-term: they have ongoing employment with the entitlements that flow from it.

A casual employee, under the definition inserted by the Fair Work Legislation Amendment (Closing Loopholes No. 2) Act 2024 (Cth) and effective from 26 August 2024, is a person whose employment relationship contains no firm advance commitment to continuing work and no commitment to a particular pattern of work. Whether that commitment exists is assessed on the real substance and practical reality of the relationship — not simply on the label in the contract. A regular roster, taken alone, does not make someone permanent; what matters is whether there was a genuine commitment, at the outset, that ongoing work would be available.

This distinction is the decision. Everything else — leave, pay, notice, conversion rights — flows from it.

How to pick the right classification

How predictable the work is

The clearest signal for choosing between casual and part-time is whether the business genuinely knows, in advance, when and how often the person will work.

• Part-time fits roles where the schedule is stable and repeating — for example, reception cover every Tuesday to Thursday, or a bookkeeper working a fixed 20 hours each week. The employer can lock in hours, and the employee can plan their life around them.
• Casual fits roles where the demand genuinely fluctuates — event staff, hospitality cover for busy periods, retail peak-season labour, or any role where the employer cannot reliably predict how many shifts will be available week to week.

If you find yourself scheduling a "casual" employee on the same days every week for months, the relationship may no longer meet the legal definition of casual under the current Act. That carries reclassification risk.

What the all-in cost actually is

The comparison is not base rate versus base rate. Casual employees attract a casual loading of 25% on top of the applicable minimum rate under their award or agreement, as required by the National Employment Standards (NES). That loading compensates for the absence of paid leave entitlements.

A rough comparison for a role paying the applicable award base rate:

For short bursts of unpredictable work, the casual loading is often worth paying because you avoid leave accruals and notice obligations. For stable, ongoing roles, the loading adds up — and you are also funding leave accruals on top — so the difference narrows quickly.

Note that from 1 July 2025, the superannuation guarantee rate is 12% of ordinary time earnings for both casual and part-time employees. There is no difference between the two on super.

Leave and entitlements exposure

Part-time employees receive the full suite of NES entitlements on a pro-rata basis. Key entitlements under ss 61–131 of the Fair Work Act 2009 (Cth) include:

• Annual leave: 4 weeks per year, pro-rated to ordinary hours worked
• Personal/carer's leave: 10 days per year, pro-rated to ordinary hours worked, accumulating year to year
• Compassionate leave: 2 days per occasion
• Unpaid family and domestic violence leave: 5 days per year
• Community service leave (including jury duty)
• Long service leave under applicable state or territory law
• Notice of termination: scaled by length of service — 1 week for under 1 year, 2 weeks for 1–3 years, 3 weeks for 3–5 years, and 4 weeks for over 5 years (with an additional week for employees over 45 with at least 2 years' service)

Casual employees under the NES receive only a limited set of entitlements: unpaid carer's leave (2 days per occasion), compassionate leave (2 days per occasion), unpaid family and domestic violence leave (5 days per year), and unpaid community service leave. They do not accrue annual leave or personal/carer's leave, and they are not entitled to statutory notice of termination.

The leave liability difference is real and accumulates over time. A stable part-time arrangement carries an ongoing leave accrual that must be funded when the employee takes leave or is paid out on exit.

The conversion and reclassification risk

Since 26 August 2024, casual employees have a new pathway to permanent employment under the NES called the employee choice pathway. A casual employee can give their employer written notice of their intention to convert to permanent employment once they:

• have been employed for at least 6 months (or 12 months if you are a small business employer), and
• form the view that they no longer meet the legal definition of a casual employee.

The employer can dispute the notice, but only on the basis that the employee still meets the casual definition — not simply because it is inconvenient. This is a significant shift from the previous casual conversion framework. If your business relies on long-term casuals who work regular patterns, the employee choice pathway creates a live risk of conversion demands and potential misclassification findings.

Separately, the Fair Work Ombudsman can investigate and take enforcement action where a worker is classified as casual but the practical reality of the relationship is one of ongoing, regular employment. Penalties under the Fair Work Act 2009 (Cth) apply to underpayment of entitlements.

Administrative obligations at the start of employment

Both classifications carry paperwork obligations you cannot skip.

For every new employee, you must provide a copy of the Fair Work Information Statement (FWIS) before or as soon as possible after they start.

For every new casual employee, you must also provide a Casual Employment Information Statement (CEIS) at the same time. The CEIS must be given again after 6 months (for non-small business employers) and after 12 months (for all employers), and then every 12 months after that.

Failing to provide these statements is itself a breach of the NES. For part-time employees, the contract or applicable award must clearly set out the agreed hours, days, and pay rate — ambiguity about agreed hours is a common source of disputes.

Choosing between part-time and casual

Choose part-time when:

• The role will run for more than a few months with a consistent schedule
• You need the employee available on specific days you can plan around
• The work requires investment in training and continuity
• You are filling a permanent operational gap in your business (reception, administration, accounts, customer service)
• You want to attract employees who need income security and will stay longer

Choose casual when:

• Demand is genuinely unpredictable — you cannot commit to regular hours in advance
• You are filling short-term seasonal or event-driven labour needs
• You are trialling a new role before committing to a permanent headcount
• The employee themselves is seeking flexibility and is not relying on your business as a primary income source
• The arrangement will be short enough that the 6- or 12-month conversion threshold is not a live concern

There is a hybrid scenario worth flagging: some modern awards permit a formal arrangement called regular casual employment, where a casual works a consistent pattern over time. This does not convert the engagement to part-time, but it does trigger conversion pathway eligibility and CEIS re-notification obligations. If you are running what looks like a regular casual, take advice before the thresholds arrive.

Where Artificer Legal can help

The choice between casual and part-time sounds administrative, but the legal and financial consequences of getting it wrong are material. Artificer Legal assists businesses at the point of the decision and through the documents it requires.

Our practitioners can stress-test whether your intended arrangement actually meets the legal definition of casual employment under the current Act — particularly after the August 2024 changes, which significantly tightened the test. We can model the leave liability and cost difference for your specific award and hours, so the comparison is not abstract.

Where you choose part-time, we draft employment agreements that clearly document the agreed hours, pro-rata entitlements, and termination provisions in a way that closes off common dispute triggers. Where you choose casual, we prepare engagement letters and CEIS templates that satisfy your notification obligations and address the conversion pathway from the outset.

If you already have workers engaged under a classification you are uncertain about, we can conduct a rapid classification review to identify any reclassification exposure before an employee or the Fair Work Ombudsman raises it first.

Demand stability is the real test

Stability of demand is the real decision variable — not cost, not hours, and not the label you prefer. If the work is going to be there week after week on a predictable schedule, casual classification creates legal risk that compounds over time as conversion thresholds approach and leave entitlements notionally accrue in a dispute. If demand is genuinely variable, part-time classification forces you to pay for entitlements and maintain a schedule you cannot reliably offer.

The practical test: if you would be comfortable showing a Fair Work inspector the employee's actual roster and describing it as having no firm advance commitment to ongoing work, casual classification is defensible. If that description would feel dishonest, part-time is the right structure — and the cost difference is smaller than most business owners assume once leave liabilities are properly accounted for.

The key points in brief: part-time employees work regular, agreed hours under 38 per week and receive the full suite of NES entitlements on a pro-rata basis, including annual leave, personal/carer's leave, and statutory notice on termination. Casual employees attract a 25% loading in lieu of most leave entitlements but have no guaranteed hours and no statutory notice entitlement. Both attract 12% superannuation from 1 July 2025. Since 26 August 2024, casual employees gain an employee choice pathway to permanent employment after 6 or 12 months (depending on business size), and misclassifying a worker as casual when the relationship is genuinely ongoing carries real enforcement risk. Both classifications require specific information statements on engagement, and casuals require repeat CEIS notifications at prescribed intervals.